| com.pnfsoftware.jeb.core.dao.IFileDatabase |
Known Indirect Subclasses
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Definition of a database of versioned binary files. Each entry is identified by a unique key and a version number.
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| abstract boolean |
deleteFile(String key, int version)
Delete a file.
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| abstract IFileDatabaseReader |
getDatabaseReader(String key)
Get a database record reader.
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| abstract IFileDatabaseWriter |
getDatabaseWriter(String key)
Get a database record writer.
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| abstract InputStream |
getFileReader(String key)
Get an input stream reader for low-level reading from a file.
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| abstract OutputStream |
getFileWriter(String key)
Get an output stream reader for low-level writing to a file.
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| abstract boolean |
hasFile(String key, int version)
Determine if the database contains the given file.
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| abstract byte[] |
loadFile(String key, int version)
Retrieve the contents of a file.
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| abstract boolean |
saveFile(String key, int version, byte[] data)
Store the contents of a file.
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Delete a file.
| key | file key |
|---|---|
| version | file version |
Get a database record reader.
This method may not be implemented, in which case the implementation may throw an UnsupportedOperationException.@return
| IOException |
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Get a database record writer.
This method may not be implemented, in which case the implementation may throw an UnsupportedOperationException.@return
| IOException |
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Get an input stream reader for low-level reading from a file. The client is responsible for closing the stream after usage.
This method may not be implemented, in which case the implementation may throw an UnsupportedOperationException.@return
| IOException |
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Get an output stream reader for low-level writing to a file. The client is responsible for closing the stream after usage.
This method may not be implemented, in which case the implementation may throw an UnsupportedOperationException.@return
| IOException |
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Determine if the database contains the given file.
| key | file key |
|---|---|
| version | file version |
Retrieve the contents of a file.
| key | file key |
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| version | file version |
Store the contents of a file.
| key | file key |
|---|---|
| version | file version |
| data | file data |